Home / 93,386.20-139,173.52-90,397.48

Finding the Fourth Proportional to 93,386.20, 139,173.52 and 90,397.48

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Solution

The fourth proportional to 93,386.20, 139,173.52 and 90,397.48 is: 134,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,386.20 : 139,173.52 = 90,397.48 : x
  2. Step 2: Convert to fraction form
    93,386.20/139,173.52 = 90,397.48/x
  3. Step 3: Cross multiply
    93,386.20x = 139,173.52 × 90,397.48
  4. Step 4: Simplify right side
    93,386.20x = 12,580,935,490.73
  5. Step 5: Solve for x
    x = 12,580,935,490.73/93,386.20
  6. Step 6: Final answer
    x = 134,719.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.